Questions and Answers
Which statement about atoms is correct?
Atoms of a given element have the same size, mass, and chemical properties
What are compounds composed of?
Atoms of different elements
What happens to atoms in a chemical reaction?
Atoms are separated, combined, or rearranged
What is the ratio of the numbers of atoms of any two elements in a compound?
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Who is credited with the discovery and identification of the first subatomic particle?
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What is the unit of electric charge?
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What does a chemical reaction involve?
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